Cue Biopharma Announces PLOS One Publication Demonstrating the Generation and Evaluation of Novel Molecules with Directed Mutations within the B7 Superfamily
Cue Biopharma announced the publication of novel research on immune modulation, focusing on the PD-L1:B7-1 co-inhibitory immune complex. Conducted at Albert Einstein College of Medicine, the study enhances Cue's Immuno-STAT and Neo-STAT platforms, which are designed to engineer T cells for targeted therapies in cancer and autoimmune diseases. The ongoing Phase 1 trial of CUE-101 shows promising early results, including safety and tolerability, alongside encouraging pharmacokinetic and pharmacodynamic metrics.
- Publication of novel research expands understanding of PD-L1:B7-1 interactions.
- Improvements to Immuno-STAT and Neo-STAT platforms enhance therapeutic development.
- Promising early data from CUE-101 Phase 1 trial indicate safety, tolerability, and potential clinical benefit.
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- Novel insights into receptor binding events and interfaces have led to generation of selective molecules with unique biochemical and functional properties through an effort led by Dr. Steven Almo at Albert Einstein College of Medicine
- Enhances Cue Biopharma’s ability to engineer molecules for therapeutic immune modulation through Immuno-STAT and Neo-STAT platforms
CAMBRIDGE, Mass., July 08, 2020 (GLOBE NEWSWIRE) -- Cue Biopharma, Inc. (NASDAQ: CUE), a clinical-stage biopharmaceutical company engineering a novel class of injectable biologics to selectively engage and modulate targeted T cells within the body, today announced the peer-reviewed publication of data focused on generation and evaluation of libraries of checkpoint molecules with directed mutations providing novel biological properties in a paper titled “Mechanistic dissection of the PD-L1:B7-1 co-inhibitory immune complex.”
In this work, researchers focused primarily on the recently described interaction between B7-1 and PD-L1, two molecules within the B7 superfamily, which are of critical importance for controlling anti-tumor immunity, autoimmunity and infectious diseases. By combining cell microarray and high-throughput FACS methods to screen binding events and map binding interfaces, selective mPD-L1 and mB7-1 mutants with distinct biochemical and functional properties were generated that altered the binding interactions between PD-1 and PD-L1, and CTLA-4 and B7-1 as well as the recently described PD-L1 and B7-1 binding interaction.
“Our efforts expand upon the fundamental understanding of critical binding interactions and related downstream signaling cascades by more completely defining the molecular interactions between these key cell surface molecules,” said Steven C. Almo, Ph.D., professor and chair of biochemistry, professor of physiology & biophysics and the Wollowick Family Foundation chair in multiple sclerosis and immunology at Albert Einstein College of Medicine, and co-founder of Cue Biopharma. “Through these studies we are able to decipher specific molecular and atomic insights to engineer and generate molecules with unique biochemical and functional properties with the aim of developing more efficacious treatments with fewer unwanted side effects.”
This approach augments and supplements Cue Biopharma’s Immuno-STAT™ and Neo-STAT™ platforms, leveraging rational protein engineering to generate therapeutic frameworks possessing desirable drug properties while attenuating and/or abrogating unwanted, deleterious effects. CUE-101, Cue Biopharma’s lead asset from the IL-2 based CUE-100 Series, was rationally engineered to enhance the selective activation of the beneficial CD8+ anti-tumor T cells, while abrogating the effects on other immune cell populations that are deleterious to cancer therapy, such as regulatory T cells. A CUE-101 Phase 1 monotherapy trial is ongoing, with enrollment of patients in dose escalation at 13 leading centers in the United States for the treatment of post first-line metastatic and recurrent HPV+ advanced head and neck cancer. Early data metrics from this trial are encouraging with demonstration of safety and tolerability, dose proportional exposure pharmacokinetics (PK) and early, albeit anecdotal, evidence of biologic activity through pharmacodynamics (PD) biomarkers and clinical benefit.
“We are highly encouraged by these findings and further research being conducted in Dr. Almo’s laboratory, which provides us with additional, novel insights into immune receptors,” said Anish Suri, Ph.D., president and chief scientific officer of Cue Biopharma. “Learnings from this important work will augment and further advance our internal efforts to build out the Immuno-STAT and Neo-STAT platforms and enhance our ability to dial-in/dial-out specific molecular interactions for the therapeutic modulation of the immune system in cancer, autoimmune diseases and chronic infectious diseases.”
Albert Einstein College of Medicine and its faculty members acknowledge the following relationships with Cue Biopharma, Inc.: Dr. Almo holds equity in Cue Biopharma, Inc., receives royalties from existing license agreements between Einstein and Cue, and is a member of its Science Advisory Board; Dr. Garrett-Thomson receives royalties; and Albert Einstein College of Medicine holds equity in Cue and receives royalties.
About Cue Biopharma
Cue Biopharma, a clinical-stage biopharmaceutical company, is engineering a novel class of injectable biologics to selectively engage and modulate targeted T cells within the body to transform the treatment of cancer and autoimmune diseases. The company’s proprietary platform, Immuno-STAT™ (Selective Targeting and Alteration of T cells) is designed to harness the body’s intrinsic immune system without the need for ex vivo manipulation.
Headquartered in Cambridge, Massachusetts, we are led by an experienced management team and independent Board of Directors with deep expertise in the design and clinical development of protein biologics, immunology and immuno-oncology.
For more information, visit www.cuebiopharma.com and follow us on Twitter https://twitter.com/CueBiopharma.
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